Etymologies

poly- +‎ syllable (Wiktionary)

Examples

He spoke in sentences that clocked in at a grade-school level, the speed of delivery was lugubrious, or perhaps aimed at the part of the audience that processes the occasional polysyllable rather slowly.

Palin may be proud she can handle a polysyllable like "socialist" without screwing it up, but the rest of the world is terrified to think that she may have any input, at all, in shaping our foreign policy, and we should be, too.

Indian English, with its fascination for the polysyllable and the poetic, has a special flavor of its own as it is concocted through the transcreation of a thought process forged originally in Oriya, or Telugu, etc.

Kenneth Quinn's note in my edition reads: lasarpiciferis: ...'rich in silphium'; if the plant , the main export of Cyrene was asafoetida the attribution is doubtful then perhaps C. devised his learned polysyllable as an ironic corrective to the literary associations of the name Cyrene.